• 
  Peter Sullivan

  Paul
• 
  Tam Solo

  John
• 
  Benedicte Westbye

  Jo
• 
  Paul Baichoo

  Mr. Bukowski
• 
  Arinder Sadhra

  Anna
• 
  Jonathan Chedeville

  Young Paul
• 
  Selina Black

  Sam Stewart
• 
  Morten Bekkenes

  Robert Snippet

• 
  Tobias Aksdal

  Mark
• 
  Jennifer K Preston

  Marble
• 
  Brooke Norbury

  Young Jen
• 
  Jonah Paull

  Young Sam
• 
  Sarah-Stephanie

  Leah Bukowski
• 
  Scarlett Archer

  Sophie
• 
  Alexandra Sinclair

  Jen

• 
  Thomas Walker Barron

  Matt
• 
  Alexandra Moloney

  Charlie
• 
  Tomi Sunmonu

  Mr. Moore's Mother
• 
  Emelie Hasselgren

  Nurse Jerry (as Emelie Hasselgren)
• 
  Brooklyn Appiah

  Young Mr. Moore
• 
  Jennifer Harvey-French

  Mary (as Jennifer French)
• 
  Kemi Durosinmi

  Kate
• 
  Bernard O'Sullivan

  Ronald
• 
  David Toso

  Mr. Harrison
• 
  Kristopher Valaitis

  Justin (as Kristopher Valaite)
• 
  Dexter Banson

  Mr. Moore
• 
  Annika Caswell

  Lisa